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Date(s) - 12/10/2016
12:00 am


Chapter 13: Earth, Moon, and Beyond


  1. Sun: The star at the center of our solar system p. 400
  2. Rotate: To spin on an axis p. 400
  3. Axis: An imaginary line that passes through Earth’s center and its North and South Poles p. 400
  4. Revolve: To travel in a closed path around another object p. 402
  5. Orbit: The path one body takes in space as it revolves around another body p. 402
  6. Equator: An imaginary line around Earth equally distant from the North and South Poles p. 402
  7. Moon: Any natural body that revolves around a planet p. 408
  8. Crater: A low, bowl-shaped area on the surface of a planet or moon p. 408
  9. Moon phase: One of the shapes the moon seems to have as it orbits Earth p. 411
  10. Eclipse: An event that occurs when one object in space passes through the shadow of another object in space p. 412Compare and contrast the Earth and the Moon.


    Earth: larger size, stronger gravity looks blue from space

    Liquid water and green forests


    The Moon: smaller size, weaker gravity, looks gray from space, no liquid water or green forests


    Both: rocky, fairly dense, make of same elements, craters